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ACI-ASTM CA6NM Steel vs. EN 1.4659 Stainless Steel

Both ACI-ASTM CA6NM steel and EN 1.4659 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
49
Fatigue Strength, MPa 380
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 850
900
Tensile Strength: Yield (Proof), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.5
6.5
Embodied Energy, MJ/kg 34
89
Embodied Water, L/kg 110
220

Common Calculations

PREN (Pitting Resistance) 15
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
370
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
31
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 31
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 11.5 to 14
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 78.4 to 84.6
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0.4 to 1.0
5.5 to 6.5
Nickel (Ni), % 3.5 to 4.5
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5